New answers tagged sequels
Insider reference to the comic books. In the Marvel universe Samuel Sterns was mutated by gamma radiation into The Leader.
Indiana Jones and the Last Crusade (1989) Indiana Jones and the Kingdom of the Crystal Skull (2008) 19 years
For Main Steam movies: Star wars was 1977 next year Episode 7 will be released so that will be 38 year gap Since you did not include 'Dumb and Dumberer" number 2 I will assume you mean from first movie to last in series.
Depending on your perspective, one could make a argument about the documentaries 7 Up and 56 Up, which are 49 years apart. These were the first and eighth installations of this series, though, where each subsequent sequel was only 7 years later.
In Mollywood (India): Irupatham Nootandu (Twentieth Century) -1987 :: Sagar Alias Jacky - 2009 - 22 years Mannar Mathai Speaking - 1995 :: Mannar Mathai Speaking 2 - 2014 - 19 years
Czech films "Sněženky a machři" (1982) and "Sněženky a machři po 25 letech" (2008), translated as "Snowdrops and Aces" and "Snowdrops and Aces, 25 years after", share a lot of the original cast. That did not help the sequel much, though.
My favorite is The Hustler (1961), where Paul Newman reprises the role of "Fast" Eddie Felson 25 years later in The Color of Money (1986).
I believe some Disney movies might hold this record. Bambi was over 60 years, Cinderella and Peter Pan around 50 years or so.
This might be considered cheating, but there's the The Nutty Professor from 2008 which is a sequel to the 1963 comedy. It's a 45 years gap, and Jerry Lewis reprised his role as Julius Kelp in it. However, it's animated and the original was live action. Also noteworthy is Belle toujours from 2006, the sequel to Luis Bunuel's Belle de jour from 1967 in which ...
TVTropes unimaginatively calls this Sequel Gap, and has a fairly extensive list. The longest gap they have with actors in common in the Live-Action Film section are the Brazilian films Esta Noite Encarnarei no Teu Cadáver (1967) (a.k.a. This Night I'll Possess Your Corpse) and Encarnação do Demônio (2008) (a.k.a. Embodiment of Evil) which both star José ...
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